package com.aggeek.springbootlearning.test;

/**
 * author:liuao
 * description:
 * Date: create on 21:25 2018/3/3
 * modify by:
 */
public abstract class Parent{


    public void help(){
        String say = this.say();
        System.out.println(say);
    }
    public  abstract  String say();
}
